CVE-2026-66666 MEDIUM

CVE-2026-66666: WordPress Core <= 7.1.2 - Unauthenticated Sensitive Data Exposure of Comments on Private and Unpublished Posts via Comment Feed vulnerability

Vendor Automattic
Product WordPress
Weakness CWE-201
Published October 6, 2026
Last update October 6, 2026
View on NVD All CVEs

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

Insertion of Sensitive Information Into Sent Data vulnerability in Automattic WordPress wordpress allows Retrieve Embedded Sensitive Data.This issue affects WordPress: from n/a through 7.1.2.

Key dates

02Disclosure timeline

October 6, 2026 CVE published
October 6, 2026 Record updated

Related vulnerabilities

04Related CVE

CVE-2026-54197 WordPress GetGenie plugin <= 4.4.1 - Sensitive Data Exposure vulnerability CVE-2026-39570 WordPress 12 Step Meeting List plugin <= 3.19.9 - Sensitive Data Exposure vulnerability CVE-2026-66683 WordPress Custom CSS and JavaScript plugin <= 2.0.16 - Sensitive Data Exposure vulnerability CVE-2026-59519 WordPress FormLayer plugin <= 1.0.6 - Sensitive Data Exposure vulnerability CVE-2026-57347 WordPress Hotel Booking Lite plugin <= 6.0.3 - Sensitive Data Exposure vulnerability